Source: Linux Technology Enthusiast A deep reflection triggered by a production incident, a heartfelt summary from a veteran with 5 years of operations and maintenance experience. Introduction: That Friday Night That Kept Me Awake Do you remember that Friday night? Just as I was about to leave work, I received a monitoring alert: the CPU … Read more
In today’s digital wave, Java applications have become the cornerstone of core business for many enterprises, while Linux, with its stability, open-source nature, and powerful customization capabilities, has become the preferred platform for deploying Java applications. The performance bottlenecks of Java applications are often closely related to the resource management of the Linux system. This … Read more
Using traditional methods like OpenCV and FFmpeg for real-time video software decoding, performance is limited on low-configuration edge computing terminals. Taking the following configuration as an example:On this configuration of the edge computing terminal, running 4 channels of real-time video decoding, the CPU usage reaches nearly 100%.Using the RKMMP solution can effectively reduce CPU usage. … Read more
This article is selected from the Extreme Technology column “Embedded AI” and is authorized to be reproduced from the Zhihu author High Performance Computing Institute’s “Mobile Algorithm Optimization“. Previously, we learned how to quickly get started with NEON programming, Arm NEON optimization techniques, and Arm NEON Learning (3) NEON Assembly and Intrinsics Programming. This article … Read more
Source: Liu Bibo, Cheng Changchun / Dongfeng Motor Technology Center & Qoros Auto Research Institute As domestic and foreign OEMs gradually reach a consensus on smart vehicles, endowing cars with new missions, the application scenarios for vehicles have become increasingly rich, leading to more direct interactions between users and vehicles. The increase in usage scenarios … Read more
Introduction There are known knowns; there are things we know we know. We also know there are known unknowns; that is to say, we know there are some things we do not know. But there are also unknown unknowns—the ones we don’t know we don’t know. ——Donald Rumsfeld, Former U.S. Secretary of Defense, February 12, … Read more
Your computer sometimes suddenly becomes very slow, the fan is blowing loudly, and it may be unresponsive even on a new computer. Don’t worry, you might be encountering a common issue with Windows 10 and Windows 11. You can press the shortcut keys “Ctrl+Shift+Esc” to open the Task Manager and check the background processes. The … Read more
In this lesson, we will gradually introduce some optimization methods for “arrays”. This lesson discusses improving data throughput through array segmentation. Recommended Reading 4:1 lossless compression video? How is it done? Old technology vs. new technology! Astonishing information discovered after disassembling the 2001 Phantom v5 camera Xilinx widely deploys dynamic reconfiguration technology Seamless connection of … Read more
MEGAWAY TECHNOLOGY RK3588 YOLOv5s Model Deployment and Evaluation 01/ Model Overview Model Name: YOLOv5s Model Type: Classification Model Official Repository: GitHub – ultralytics/yolov5: YOLOv5 in PyTorch> ONNX > CoreML > TFLite V7.0 Model Parameters (PARAMS): 7225885 Model Computation (FLOPS): 16.4 GFLOPs Deployment Device: RK3588 Deployment Environment: Ubuntu20.04/rknn_toolkit2 V1.6.0/OpenCV4.5.1 02/ Model Analysis YOLOV5 model outputs three … Read more
This issue: A group friend asked a question in the group: In FreeRTOS, a high-priority task changed the value of a global variable, while a low-priority task was waiting in a loop for the value to change; why did the low-priority task not exit the loop and continue execution after the high-priority task changed the … Read more